Home / 679,667.04-1,019,434.64-206,356.50

Finding the Fourth Proportional to 679,667.04, 1,019,434.64 and 206,356.50

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Solution

The fourth proportional to 679,667.04, 1,019,434.64 and 206,356.50 is: 309,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,667.04 : 1,019,434.64 = 206,356.50 : x
  2. Step 2: Convert to fraction form
    679,667.04/1,019,434.64 = 206,356.50/x
  3. Step 3: Cross multiply
    679,667.04x = 1,019,434.64 × 206,356.50
  4. Step 4: Simplify right side
    679,667.04x = 210,366,963,257.38
  5. Step 5: Solve for x
    x = 210,366,963,257.38/679,667.04
  6. Step 6: Final answer
    x = 309,514.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.